# Lime Microsystems funding: rounds and investors

> Lime Microsystems has raised $234M across 5 rounds since 2006. Investors include In-Q-Tel, Parkwalk and Draper Esprit. Every round with its source.

Source: https://millionrounds.com/company/lime-microsystems (Millionrounds; every figure on the page links to its filing or article)

United Kingdom · [Series C startup](https://millionrounds.com/companies)

# Who invested in *Lime Microsystems*

5 rounds we have observed, with the 6 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Semiconductors

Funding summary Updated 26 Oct 2026

**$234M** raised across 5 rounds since 2006, from 5 sources

**$343K** Venture **$4.0M** Series C **$497K** Round **$552K** Round **$229M** Round

- **Latest round:** Round, $229M Jun 2023
- **Step-up i:** 414.4×
- **Investors:** 6

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2006 2009 2012 2015 2018 2021

**$343K** Venture

**$4.0M** Series C

**$497K** Round

**$552K** Round

**$229M** Round

- **First round:** Venture, $343K
- **Biggest round:** $229M
- **Usual gap between rounds:** 5.2 years

## The rounds

- **Jun 2023** Round **$229M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Dec 2021** Round **$552K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Apr 2021** Round **$497K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Oct 2011** Series C **$4.0M** *3 new* [In-Q-Tel](https://millionrounds.com/fund/iqt) [Parkwalk](https://millionrounds.com/fund/parkwalk) [Altera](https://millionrounds.com/fund/altera) From a historical funding record
- **Sept 2006** Venture **$343K** *3 new* [Draper Esprit](https://millionrounds.com/fund/draper-esprit-plc) [DFJ Esprit](https://millionrounds.com/fund/dfj-esprit) [Prelude Trust](https://millionrounds.com/fund/prelude-trust) From a historical funding record

## Funding filed with regulators

Lime Microsystems filed 6 raises, $232M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Mar 2024 **$2.1M** UK share allotment
- Feb 2024 **Amount not stated** UK share allotment
- Nov 2023 **Amount not stated** UK share allotment
- Jun 2023 **$229M** UK share allotment
- Dec 2021 **$552K** UK share allotment
- Apr 2021 **$497K** UK share allotment

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Venture** 2006 **Series C** 2011 **Round** 2021 **Round** 2021 **Round** 2023 [In-Q-Tel](https://millionrounds.com/fund/iqt) [Parkwalk](https://millionrounds.com/fund/parkwalk) [Draper Esprit](https://millionrounds.com/fund/draper-esprit-plc) [DFJ Esprit](https://millionrounds.com/fund/dfj-esprit) [Prelude Trust](https://millionrounds.com/fund/prelude-trust) [Altera](https://millionrounds.com/fund/altera)

## Everyone who backed them

[In-Q-Tel](https://millionrounds.com/fund/iqt) Accelerator **1** round

[Parkwalk](https://millionrounds.com/fund/parkwalk) VC firm **1** round

[Draper Esprit](https://millionrounds.com/fund/draper-esprit-plc) VC firm **1** round

[DFJ Esprit](https://millionrounds.com/fund/dfj-esprit) VC firm **1** round

[Prelude Trust](https://millionrounds.com/fund/prelude-trust) VC firm **1** round

[Altera](https://millionrounds.com/fund/altera) Private equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=lime-microsystems).

## Quick answers about Lime Microsystems

### Who invested in Lime Microsystems?

Lime Microsystems's investors include In-Q-Tel, Parkwalk, Draper Esprit, DFJ Esprit and Prelude Trust, and 1 more on record.

### How much has Lime Microsystems raised?

Lime Microsystems has raised $234M across 5 rounds since 2006.

### When did Lime Microsystems last raise?

Lime Microsystems's most recent round, $229M, was in Jun 2023.

### What was Lime Microsystems's biggest round?

Its most recent round, $229M in Jun 2023, is also its largest on record.

### Who backed Lime Microsystems first?

Lime Microsystems's first round on record, in Sept 2006, was backed by Draper Esprit, DFJ Esprit and Prelude Trust.

### What stage is Lime Microsystems at?

Lime Microsystems's latest named round is a Series C, in Oct 2011.

### Where is Lime Microsystems based?

Lime Microsystems is based in the United Kingdom.

## Companies like Lime Microsystems

In the same sector, and raised in the last eighteen months.

[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**MintNeuro** $26M · Oct 2026](https://millionrounds.com/company/mintneuro)[**SCI Semiconductor** $13M · Sept 2026](https://millionrounds.com/company/sci-semiconductor)[**Kubos Semiconductors** $4.7M · Aug 2026](https://millionrounds.com/company/kubos-semiconductors)[**OLIX** $532M · Aug 2026](https://millionrounds.com/company/olix)[**CuspAI** $950M · Jul 2026](https://millionrounds.com/company/cuspai)

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